# A027997 (b-file synthesized from sequence entry) 3 16 4 70 5 292 6 1197 7 4864 8 19656 9 79124 10 317592 11 1271976 12 5085730 13 20307396 14 81003583 15 322847552 16 1285900570 17 5119076236 18 20370229878 19 81032093192 20 322258628220 21 1281334227276 22 5093898416278 23 20248096412336 24 80478051058480